Investigative Processes

Whenever two objects come in contact with one another, there is an exchange of materials between them. This phenomenon is known as ______.

• Locard’s Preservation Principle

• Locard’s Exchange Principle

• Locard’s Law

• Locard’s Law of Evidence Transfer

Which of the following types of evidence establishes a fact? Examples include eyewitness statements, confessions, video footage, etc.

• circumstantial

• class

• physical

• direct

Which type of evidence would be considered class evidence?

• tire tread patterns

• fingerprint

• DNA

• hair (with the root intact)

It is the responsibility of the first-responding officer to ensure that the safety of individuals is first priority. Preservation of evidence is second priority. First responders must restrict all unauthorized persons from entering a crime scene and must account for everyone that enters the scene. This part of crime scene investigation takes place during which step?

• seeing the scene

• securing the scene

• scanning the scene

• securing and collecting evidence

Which of the following statements is true of accurate crime scene processes?

• Wet evidence must be packaged immediately upon retrieval.

• An evidence seal must be secure and signed by the collector.

• Eyewitnesses should not be questioned until all evidence is collected.

• Only direct evidence can be presented in court. All other forms of evidence are not admissible.

Which of the following is considered physical evidence?

• a wool fiber from a jacket

• DNA found on a victim

• an unknown hair found on the seat of a victim’s car

• a lip print found on the rim of a glass

Who is known as the father of forensics?

• Dr. Alec Jeffreys

• Calvin Goddard

• Dr. Edmond Locard

• Dr. William Bass

Which of the following people most likely would NOT be at a crime scene?

• judge

• crime scene investigator

• first responders

• medical examiner

A special packaging that is used for really small evidence - also known as a druggist fold

• luminol

• envelope

• chain of custody

• bindle

In order for evidence to be admissible in court, which of the following must occur?

• A complete record of chain of custody must be kept for the evidence.

• Proper handling of the evidenced should be maintained.

• Proper packaging should be used to ensure the evidence is not compromised.

• all of the above